Active ingredient
Trimethoprim
9 medications authorised for sale in Canada contain Trimethoprim.
How it is classified
- Anti-infectives for systemic use
- Sensory organs
The anatomical main group records the body system a medicine acts on. It is not a statement of what this ingredient treats, and nothing on this page is. Products containing this ingredient are classified under more than one group.
Products containing Trimethoprim
- Sandoz Polytrimethoprim
- Septra Injection
- Septra Pediatric Oral Suspension
- Sulfamethoxazole and Trimethoprim for Injection, Usp
- Sulfatrim
- Sulfatrim DS
- Sulfatrim Pediatric
- Trimethoprim Tablets
- Trimethoprim Tablets
Strengths and forms differ between these products — check them against your own. Containing the same active ingredient does not mean two products can be substituted for each other: whether a substitution is permitted is a provincial decision, and this page does not show it. Ask a pharmacist.
How Health Canada files this ingredient
- TRIMETHOPRIM
- TRIMETHOPRIM (TRIMETHOPRIM SULFATE)
These are the spellings used across the products above, including the specific salt in each. They are grouped here as one ingredient.
Source: Health Canada — Drug Product Database. Data current as of 2026-08-12. Marketed human products only.